Did you even wonder why some rocks are round and smooth while others are broken up into small pieces?

When you cut a flower to put into a vase, it'll eventually wilt, even with water and sunshine. But is there another scientific secret to keeping flowers fresh?

Learners hypothesize about and experiment with soil erosion in this hands-on activity.

Making your own glass cleaner is easy, effective and inexpensive!

In this project students experiment with making music using only glasses of water.

This simple project makes young children aware of their sense of smell and its capacity for providing them with information about their world.

In this popcorn experiment, students can explore how two things made out of the same material can have very different appearances and densities.

Put an oatmeal box, a flashlight, and some construction paper together and you have the makings of an incredibly cool bedroom planetarium!

The fish most kids see is usually filleted, and it's hard to see how it came from a lake or sea. This cool gyotaku activity blends life science with art!

Play with balance and simple engineering as you hurry to create a sturdy rock tower.

Here's a math, science, and social studies activity: help your kindergartener become a "coin archaeologist" by examining how different coins look and feel.

Find out whether soil amendments can improve soil conditions and help you grow a bigger beanstalk in this ecology experiment!

What do worms eat? Kids find out what kinds of rotting leaves and vegetables worms prefer in this cool compost science fair project.

Discover flight initiation distance as you play around in the park with this fun bird watching project!

This study evaluates if electronic devices commonly found in most households emit radiation, and if they do, how much?

This fun activity makes use of pasta shells, paint, and glue make a crab while your child learns about this unique creature.

Do hand soaps and sanitizers prevent the growth of bread mold? If so, why? Kids will find out with this fun and informative science fair project idea.

In this science project, young children observe, record, and create collections of colors in their world and increase their powers of observation.

This engaging project encourages young children to practice and refine the important scientific skills of sorting and classification.

This project examines whether people's taste perception is influenced by what they see.

Want to make Halloween truly eerie? Science to the rescue! These ghouly hands come alive with a little help from simple chemistry.

Help your first grader explore the world of scientific measurement by "weighing" fruit with a "water scale"!

These science fair experiments demonstrate the chemistry of rust and the oxidation process.

Magnets may hold up papers on the fridge, but is it the paper that attracts them? Find out more with this kindergarten science investigation.

Make meringues with your first grader and see how states of matter can transform before your very eyes. Here's how:

Help your second grade scientist explore the timely topic of wind speed using a version of the classic Beaufort Scale.

Help your kids fall in love with nature by making a simple clay bird bath. Set it up in your yard and watch the animals venture in for a sip of water.

Do plants get crowded? Have your curious kid investigate how plants respond if they're forced to grow together in a confined space.

Kids will explore the corrosiveness of soda in this cool science fair project by leaving pennies submerged in soda overnight.

The purpose of this science fair project is to explore whether UV light passes through some colors and not others by looking at blue, red, purple, and clear.